In a modern city, 26-year-old antique book restorer Su Wan meets 29-year-old architectural designer Lu Shiyan through a library expansion project. They misunderstand each other’s professions at first, but grow closer through their shared passion for antique book preservation and architectural design. However, the shadow of the Su family’s bankruptcy years earlier, which they mistakenly believe was caused by Lu Shiyan’s father, Lu Zhenhong; interference from Lu Shiyan’s childhood friend Lin Weiwei, who tries to come between them; and the schemes of Zhang Cheng, an aide to Lu’s father, who embezzles public funds to frame the Su family and intercepts Lu’s mother Shen Man’s attempt to help them, plunge the couple into a maze of misunderstandings and crises.
Using her restoration skills, Su Wan uncovers clues in a Qing-dynasty ledger and old photographs. Lu Shiyan draws on his architectural expertise and business acumen to investigate Zhang Cheng’s crimes, while the intervention of Old Madam Shen reveals Shen Man’s connection to the Su family. Facing crises such as a car accident that leaves them out of contact and a kidnapping rescue, the two fight side by side. They uncover the truth and ensure that Zhang Cheng is jailed and Lin Weiwei receives a suspended sentence. They also heal each other’s emotional wounds: Su Wan overcomes her insecurity, while Lu Shiyan confronts the pain of losing his mother at a young age.
In the end, Su Wan and Lu Shiyan marry and have a daughter, Lu Nianwan. Together, they establish a foundation for the preservation of traditional culture and create a traditional culture creative park. Su Wan’s talent for painting is discovered, Lu Shiyan establishes an art exhibition space in his mother’s memory, and Lu Nianwan inherits the mission of carrying on their cultural heritage. The story closes on the warm image of the family of three strolling through the park. Their love finds its happy ending and their families reconcile, while the dual perspectives of antique book restoration and architectural design bring to life the preservation and passing down of traditional culture.
